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all: refactor coding style

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Loïc Grégoire
2026-08-05 17:43:46 -04:00
parent 2a09642f4d
commit bec872bc26
31 changed files with 887 additions and 330 deletions
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src/kern/spinlock.zig
+28 -5
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@@ -176,7 +176,12 @@ pub const QSpinLock = LockTemplate(struct {
pub fn acquire_no_ipl(self: *Self) void {
// Fast path: try to acquire the lock.
var v = self.data.val.cmpxchgStrong(0, locked_val, .acquire, .monotonic) orelse return;
var v = self.data.val.cmpxchgStrong(
0,
locked_val,
.acquire,
.monotonic,
) orelse return;
// Medium path: if only pending is set, the pending waiter is
// in the process of clearing pending and setting `locked` to take
@@ -229,7 +234,12 @@ pub const QSpinLock = LockTemplate(struct {
}
pub fn try_acquire_no_ipl(self: *Self) bool {
return self.data.val.cmpxchgStrong(0, locked_val, .acquire, .monotonic) == null;
return self.data.val.cmpxchgStrong(
0,
locked_val,
.acquire,
.monotonic,
) == null;
}
pub fn is_locked(self: *Self) bool {
@@ -247,7 +257,12 @@ pub const QSpinLock = LockTemplate(struct {
if (idx >= 4) {
// Exhausted all indices, spin.
while (true) {
_ = self.data.val.cmpxchgWeak(0, locked_val, .acquire, .monotonic) orelse break;
_ = self.data.val.cmpxchgWeak(
0,
locked_val,
.acquire,
.monotonic,
) orelse break;
std.atomic.spinLoopHint();
}
@@ -266,7 +281,10 @@ pub const QSpinLock = LockTemplate(struct {
// Store cpu + 1 so that we can distinguish from an empty tail field.
rtl.barrier.fence(.release);
const tail: u16 = @bitCast(Tail{ .cpu = @intCast(ke.cpu.current() + 1), .idx = @intCast(idx) });
const tail: u16 = @bitCast(Tail{
.cpu = @intCast(ke.cpu.current() + 1),
.idx = @intCast(idx),
});
const old: Tail = @bitCast(self.data.split.tail.swap(tail, .acq_rel));
if (old.cpu != 0) {
@@ -293,7 +311,12 @@ pub const QSpinLock = LockTemplate(struct {
if ((v & tail_mask) == @as(u32, tail) << 16) {
// We are the only waiter in the queue.
// Try to claim the lock and clear the tail atomically.
if (self.data.val.cmpxchgStrong(v, locked_val, .acquire, .monotonic) == null) {
if (self.data.val.cmpxchgStrong(
v,
locked_val,
.acquire,
.monotonic,
) == null) {
return;
}
}